68425990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2143}}^1$

素因数の和:2284

約数の個数: 32

約数和(自身を含む): 128434176

約数和(自身を除く): 60008186

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 2143, 3193, 4286, 6386, 10715, 15965, 21430, 31930, 66433, 132866, 220729, 332165, 441458, 664330, 1103645, 2207290, 6842599, 13685198, 34212995, 68425990]

約数ペア:

[(1, 68425990), (2, 34212995), (5, 13685198), (10, 6842599), (31, 2207290), (62, 1103645), (103, 664330), (155, 441458), (206, 332165), (310, 220729), (515, 132866), (1030, 66433), (2143, 31930), (3193, 21430), (4286, 15965), (6386, 10715)]